659620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 1552320

約数和(自身を除く): 892700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 59, 65, 86, 118, 130, 172, 215, 236, 260, 295, 430, 559, 590, 767, 860, 1118, 1180, 1534, 2236, 2537, 2795, 3068, 3835, 5074, 5590, 7670, 10148, 11180, 12685, 15340, 25370, 32981, 50740, 65962, 131924, 164905, 329810, 659620]

約数ペア:

[(1, 659620), (2, 329810), (4, 164905), (5, 131924), (10, 65962), (13, 50740), (20, 32981), (26, 25370), (43, 15340), (52, 12685), (59, 11180), (65, 10148), (86, 7670), (118, 5590), (130, 5074), (172, 3835), (215, 3068), (236, 2795), (260, 2537), (295, 2236), (430, 1534), (559, 1180), (590, 1118), (767, 860)]